Mercurial > cgi-bin > hgweb.cgi > PassMan
annotate src/main/kotlin/name/blackcap/passman/Hashing.kt @ 10:cbe4c797c9a6
Fix bug in parsing --length
author | David Barts <n5jrn@me.com> |
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date | Sat, 01 Oct 2022 20:43:59 -0700 |
parents | 698c4a3d758d |
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rev | line source |
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0
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1 package name.blackcap.passman |
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2 |
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3 import java.nio.ByteBuffer |
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4 import java.nio.ByteOrder |
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5 import java.nio.CharBuffer |
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6 import java.nio.charset.Charset |
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7 import java.nio.charset.StandardCharsets |
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8 import java.security.MessageDigest |
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9 |
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10 object Hashing { |
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11 private const val HASHING_ALGORITHM = "MD5" |
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12 private val CHARSET: Charset = StandardCharsets.UTF_8 |
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13 |
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14 fun hash(bytes: ByteBuffer): Long { |
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15 val md = MessageDigest.getInstance(HASHING_ALGORITHM) |
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16 bytes.rewind() |
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17 md.update(bytes) |
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18 return toLong(md.digest()) |
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19 } |
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20 |
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21 fun hash(bytes: ByteArray): Long = |
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22 hash(ByteBuffer.wrap(bytes)) |
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23 |
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24 fun hash(chars: CharArray): Long = |
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25 hash(CHARSET.encode(CharBuffer.wrap(chars))) |
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26 |
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27 fun hash(string: String): Long = |
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28 hash(CHARSET.encode(string)) |
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29 |
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30 private fun toLong(hash: ByteArray): Long = ByteBuffer.wrap(hash).run { |
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31 order(ByteOrder.LITTLE_ENDIAN) |
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32 getLong(hash.size - 8) |
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33 } |
8 | 34 } |